Invisible signs and chests problem:

[Yokuzo]

USERNAME: Dabussy.
APARTMENT COORDINATES (F3 TO VIEW): 1243x | 48y | 704z.
ISSUE: Most of the signs/chests I've placed inside my apt became invisible. I do not know if it's the early stage of them becoming glitched/lost but I would love to get some assistance.
ADDITIONAL INFORMATION: The pics:

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[Escuzme]

REVIEWED
Should be fixed now​